News tagged with extrasolar planets

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How common are earths around small stars?

( —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems with longer ...

dateJun 03, 2013 in Astronomy
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Many small exoplanets found to be covered in gas

During its four-year mission, NASA's Kepler space telescope discovered thousands of "planetary candidates" in our Milky Way galaxy—the vast majority of which are almost certainly actual planets. But before scientists can ...

dateJan 08, 2014 in Astronomy
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Cassini Instrument Learns New Tricks

(—For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's moon Titan; ...

dateDec 21, 2012 in Space Exploration
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So many planets, so few telescopes

Over the last few weeks, astronomers announced not one but two extraordinary discoveries in the ongoing search for planets orbiting stars beyond the sun. The first was a world about the size of Neptune, 5,000 light-years ...

dateNov 08, 2012 in Astronomy
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